Average annual temperature is 15.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 158 days
Number of rainy days: 205 days
Number of snow days: 2 days
Look at detailed online map of Seki-shi
* Weather data for Seki-shi Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.3 | 15.3 | 22.2 | 27.4 | 30.3 | 30.4 | 36.0 | 36.5 | 33.9 | 27.3 | 25.5 | 19.0 |
| Average daytime temperature (°C) | 8.9 | 10.3 | 17.1 | 19.7 | 23.7 | 26.7 | 31.8 | 32.6 | 30.2 | 22.2 | 17.0 | 11.7 |
| Average temperature (°C) | 3.2 | 4.9 | 11.0 | 14.3 | 18.4 | 22.3 | 26.9 | 27.8 | 25.5 | 16.4 | 11.7 | 6.4 |
| Average night temperature (°C) | -1.1 | 0.5 | 5.9 | 9.4 | 13.8 | 18.4 | 22.6 | 24.0 | 21.8 | 11.8 | 7.6 | 2.2 |
| Absolute minimum temperature (°C) | -5.3 | -4.2 | -1.2 | 2.9 | 6.7 | 12.6 | 18.9 | 22.2 | 17.2 | 7.7 | -0.1 | -3.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.5 | 8.5 | 8.1 | 8.8 | 7.6 | 9.9 | 10.3 | 9.4 | 8.4 | 7.7 | 7.0 |
| Precipitation (mm) | 39 | 62 | 146 | 186 | 236 | 441 | 235 | 201 | 168 | 84 | 125 | 81 |
| Sunny days | 16 | 16 | 16 | 14 | 14 | 8 | 13 | 4 | 11 | 18 | 15 | 13 |
| Rainy days | 14 | 12 | 15 | 16 | 17 | 22 | 18 | 27 | 19 | 13 | 15 | 17 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Seki-shi is at